See the description in each dataset's item.
Use the following only when citing the entire collection.
Rakuten Group, Inc. (2014): Rakuten Dataset. Informatics Research Data Repository, National Institute of Informatics. (dataset). https://doi.org/10.32130/idr.2.0
In this paper, we used "Rakuten Dataset" (https://rit.rakuten.com/data_release/) provided by Rakuten Group, Inc. via IDR Dataset Service of National Institute of Informatics.
